$user-width: 300px;
$user-height: 500px;
#user {
  width: $user-width; 
  height: $user-height; 
  position:absolute; 
  z-index: 10; 
  right: 0px; 
  top: 46px; 
  -webkit-box-shadow:-2px 6px 5px #333333; 
  box-shadow:-2px 6px 5px #333333; 
  background-image:url('/assets/背景1.jpg'); 
  background-size:100% 100%;
  #user-info {
    background-color: rgba(255,255,255,0.6);
    position: relative;
    width: 100%;
    height: 150px;
    top: $user-height - 150px;
    line-height: 35px;
    text-align: center;
    padding: 20px;
    z-index: 11;
  }
}
